Home / 350,208,923.20-525,313,384.80-212,256,462.40

Finding the Fourth Proportional to 350,208,923.20, 525,313,384.80 and 212,256,462.40

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Solution

The fourth proportional to 350,208,923.20, 525,313,384.80 and 212,256,462.40 is: 318,384,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,208,923.20 : 525,313,384.80 = 212,256,462.40 : x
  2. Step 2: Convert to fraction form
    350,208,923.20/525,313,384.80 = 212,256,462.40/x
  3. Step 3: Cross multiply
    350,208,923.20x = 525,313,384.80 × 212,256,462.40
  4. Step 4: Simplify right side
    350,208,923.20x = 111,501,160,709,017,936
  5. Step 5: Solve for x
    x = 111,501,160,709,017,936/350,208,923.20
  6. Step 6: Final answer
    x = 318,384,693.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.